Possible BGP hijack

Beginning at 2023-05-16 07:35:51, we detected a possible BGP hijack.

Prefix 172.32.0.0/11, Normally announced by AS21928 T-MOBILE-AS21928, US

Starting at 2023-05-16 07:35:51, a more specific route (172.40.40.0/24) was announced by ASN 17557.

This was detected by 13 BGPMon peers.

Expected
Start time: 2023-05-16 07:35:51 UTC
Expected prefix: 172.32.0.0/11
Expected ASN: 21928 (T-MOBILE-AS21928, US)
Event Details
Detected advertisement: 172.40.40.0/24
Detected Origin ASN 17557 (PKTELECOM-AS-PK Pakistan Telecommunication Company Limited, PK)
Detected AS Path 202365 50673 6762 17557
Detected by number of BGPMon peers: 13

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